Try This! Explore More. Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. Common Name: Common Octopus. Scientific Name: Octopus vulgaris. Type: Invertebrates. Diet: Carnivore. Size: 12 to 36 inches. If you ever plan on taking an octopus out to dinner, avoid any vegetarian places. Octopuses are unabashed predators. They enjoy hunting and killing what they eat. Pound per pound, octopuses are tough. They can take on prey that is armed with powerful defensive traits, such as crabs.
Even dogfish sharks have fallen prey to gutsy and hungry octopuses. As hatchlings, baby octopuses measure mere millimeters. At that size, their diet is primarily conformed of plankton. They may start with nanoplankton progressing to microplankton and mesoplankton as they grow in size. Smaller octopus species which never grow beyond 10 or 12 inches in length will usually stick to a diet of sea gastropods and other marine mollusks.
Medium-sized species that live in shallow water will have a much more varied diet. Most of these octopuses will show a preference for crustaceans — such as shrimp and crabs — as well as larger gastropods, such as clams and mussels. Species of octopus that can reach several feet in length, such as the Giant Pacific Octopus eat much larger prey.
They eat small marine creatures as well as larger ones. On their menu you will find, shrimp, crab, lobsters, a variety of fish, squid, other octopuses, and shelled sea mollusks. They have also been known to capture and eat dogfish sharks measuring as long as four feet.
The biggest factor which determines what an octopus eats is its immediate environment. This is because the plus octopus species that are known to exist throughout the world all evolved specifically to survive in their immediate habitat. By extension, this means that they became adept at hunting other creatures that share their environment.
An example of this would be deep-water dwelling octopuses. These include the dumbo octopuses. These creatures can live at depths exceeding 5, feet. Their diet consists of worms, mollusks, and crustaceans which also inhabit those depths. If any cat owners are reading this, they are familiar more than most with the concept of finickiness when it comes to the eating habits of certain animals. Reptiles Anatomy Vs. Physiology Diffusion vs. Osmosis Mitosis Vs.
Meiosis Chromosome Vs. Bio Explorer. Animal Facts. What Do Blue-ringed Octopuses Eat? What Do Common Octopuses Eat? How Do Octopuses Hunt? When Do Octopuses Eat? How Often Do Octopuses Eat? What Eats Octopuses? Key References. Giant Pacific Octopus Crabs, small fishes, clams , snails, and other octopi. Blue-ringed Octopus Hermit shrimp, small crabs, and small fishes. Common Octopus Gastropods such as snails and slugs and bivalves. Note : Plural form of Octopus is Octopuses from Greek.
However, many people also refer to it as octopi, which is formed as per the Latin rules. So, both octopuses and octopi are used interchangeably in this article. Finless Shallow Water Octopuses. These octopuses have a soft body, and they lack an internal skeleton. A majority of these octopuses are commonly found in reefs contained in shallow marine waters.
With the use of their sensors located in each of the suction cups at the bottom of its arms, they can detect smell, texture, and taste of its prey while still being undercover. After locating its prey, the octopus attacks to grasp it. The octopus then drags its kill to the den to eat it, in privacy.
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